Adjusting valve clearance
1.
Release locknut (1).
2.
Insert valve setting gauge (3) between valve
bridge and rocker arm.
Note:
Replace or rectify adjusting screws and/or
locknuts which do not move freely.
3.
Using angular screw driver, set adjusting
screw (2) so that the specified valve clear-
ance is provided.
Note:
Valve setting gauge must just pass through
the gap.
4.
Pass valve setting gauge (3) between valve
bridge and rocker arm.
5.
Tighten locknut (1) to specified torque using a torque wrench, holding the adjusting screw (2) in place to
prevent it from turning.
Name
Locknut
6.
Check valve clearance, adjust as necessary.
Final steps
1.
Remove barring tool and install guard plate (→ Page 189).
2.
Install cylinder head covers (→ Page 208).
Size
Type
M16x1.5
Tightening torque
Lubricant
(Engine oil)
MS15065/01E 2019-01 | Valve Drive | 207
Value/Standard
90 Nm +9 Nm